A man has been charged with the theft of more than 40 tanks of propane gas that sparked a counter-terrorism probe.

Stephan Whitney, 49, of the 4500 block of Richmond Street, is charged with burglary, criminal trespass and other charges for the incidents earlier this month, police announced Wednesday.

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Whitney is believed to be connected to three propane thefts. Surveillance footage of one robbery shows a thief climbing a 6-foot razor-topped fence, police said, before throwing tanks back over the fence.

The theft of high quantities of propane gas led police to contact Department of Homeland Security officials for assistance in the investigation that included the following incidents:

-Dec. 16,10:24 p.m.: 12 propane fork lift tanks,  four 40-pound propane tanks, four 60-pound propane tanks and four 100-pound propane tanks, valued at $4,800, were stolen from Phax-Air on the 2300 block of Church Street.

-Between Dec. 16 and Dec. 17: Five 100-pound propane tanks, four 33-pound propane tanks and two 20-pound propane tanks, valued at approximately $3,000, were stolen from James D. Morrissey Inc. on the 4700 block of Pennypack Street.

-Dec. 22, 1:42 a.m.: A suspect broke into Phax-air by climbing what police described as a "razor-topped" fence, then threw the tanks back over. Six acetylene tanks were stolen.

The investigation is still ongoing, police said.